Side bearing.



E. A. LAUGHLIN.

SIDE BEARING. APPLICATION FILED JAN. 28, 1914 a 1 9 1 9 L m d 6 w I 6 b a P /r7 ven fo r.-

W/fneases.

tear in new nLMY'nnJ'LAuGHLIn, or GHICAGOflILLINOI S.

' SIDE BEARING.

Patented nan-e, aie'ia Application filed January 28; 1914. Serial no. 314,921,

jtjta It 252 Specification of Letters Patent.

To all whom may concern: I I I 'Be it known that I, ELMYR'An-LAQGHLIN, The wearlplate'll is inserted into place and a "resident of Chicagmceunty of'Cook, Supportbelow the flanges] and is secured fand State of-lillinois, have inventedcertain against dislodgrnent, by means of lugs -14 new. anduseful Improvements in Side Bearformed on the support 4 and 'adapted to be ings, of which the following isa specificalient, up, into the position shown in Figs. 1 tie'n.v nd 3,- after the-plate has been inserted. 1

Theinaneobjects of-this' invention are to' The lowerguide surfaces of the trunnion provide 'anlimproved form-of side bearing guideways 6 are-"provided with a plurality,

wherein the supporn or housing ifor the of, shoulders stepped. downwardly frem the relleris formed in e piece and the roller ends of the guldewa'y's to the middle thereis r id d, with a e b1Q im i n of, In the construction hereins'hown these,

shaft, to provide an improved location of shoulders are in the form of end ledges 15,

the openings in said support through which "and a substantially horizontal middle part the trunnion shaft may be passed when beor ledge 16, between which are formed a 12 carried on the truckbo'lster (not sh0wn)-./

ing 'locatedin said; roller; to provideirnproved means for preventing the..remo'val ofthe trunnion shaft through saidopenplurality of other horizontal steps or ledges 1'7; The'in'n'er corners of'theledges 15 and 17 are located slightly outward of a transbe'aring embodying the improvements new specified? Fig. .2 is-a ngitudinal sectional manner as to cause the load to be lifted'froin 'eievationof a roller bearing, the right halfv he I H K W n a fLIQhaS the brakes ap- .935 the View representing a light modificaplled suddenly, the springs. are compressed ings; and toprovide an improved construe v verse vertical plane. passing, through the 'tieny' of thetrnnnionguideways whereby the axis of theroller when the'trunnion 10 enrolileiflis normally. urged. toward a central g g s'one of thecorresponding ledges so position whenv free from the load and is that the center of gravity; of the roller .is Prevented from being them. toward the mward of the respective shoulder ne ends of the guidewa sfw'hen the ldad is sud- WherebY the @1161 normally tendst0 F011 denly relievedthere ear is in motion; y

" An illustrative enibodiment'of'thie inven-. tion is shown in the accompanying drawrdin at 'a tim e when. the toward a central position in the runway.

.LELUGS for the trunnion. is rnuch more effective' than a gradually inclined constructioni i whi h; I a I l in preventing the'rol-ler from being thrown i j 1 i ide elevation of a roller" toward the ends of the runways when the s suddenly started or stopped in such a ti'oniin the formation of the trunnio guideon the forward end of the truck and the wayea' lFig. '3 is a transverse 'sectionalelel ari endfof the truck islifted due to the ration of the bearing as shownin Fig. 1.-. pulllngfjiexnid pushing aetion of thebrakes.

In the" construction shown in the 'draw- Thisfres" ts in a tilting of, the truck bolster,

a ngle malleable chsting in which a roller' centerplate,tending-to lift the car andjfree runway '5 and trunnion gnideways- 6 are the rollereidtheside, bearings from their formed. The support is prpvided with 'in-' loads-flit the sametime. the forward end of 4 tegra l side, flanges 7- .by means of which the the wear plate under the rolleris depressed as; I

, the" usualjmanner.

support is-secured 'tothe body of the canin thereby tending {to further free the roller. r I If the roller-is not'obstructed, or has simply Aro ller 8 is mounted-.inthe runway 5. a small-inclined guide surface, it will roll and isadapted to have a limitedirange of "forward to. the'endof'the runway, due to travel therein. A removableitrunnionshaft its own momentum, and the minute the car a-l citizenof the United States of, America, through-slots-lii formed at the'sidesof the 8o]. s construction of the lower guide surhugs th b t o ho i 4 i vf 'r ed' of fw hich in turn elevates the rear edge of the I lis'securedin the roller 'S'Wlth' the trun-- stops, or even if it does not stop and the 'nions or en'ds' 10 thereof located inthe trunbrakes-1 are released," the truck resumes a.

nion gul dewafys'fi. The roller" 8' normally normal position and is likely to catch and bears, between -awear.;platej '11 carried by hold the roller at the end of its travel.. the support '4 and a 'wear surface or plate, However, under similar circumstances, with :is I

" a construction of the character herein showm -the roller would not have suflicient momentum to ascend from one to the other of the ledge$, but would be retained on the central ledge 16 ready to receive the load and resume its normal functions i1ninedi ately upon'the return to normal crating conditions. The upper guide surfaces 1-8 'are inclined inwardlyand upwardly .so

' Circular: openings 19, substantially equal diameter to the diameter of .the trunnion shaft 9,'are formedin the sides of. the frame 4 through which the trunnion shaft 9 may be passed for. insertion into the roller -8 when said roller is located-in the runway 5 with the axis. thereof in alinement with the axis of said openings. "These openings are located with theinaxes substantially halfway between .the positions which, the

. possible forthe roller to accidentally come axis of said trunion' shaft would occupy when-the roller is either engaging the wear plate ll'andsupporting the "load, or when the trunnions 1 0 are resting on the middle ledge 16. It would therefore be quite im- -.into alinement with said openings insuch a wayas to permit the removal of the trunnionshaft. If the trunnion shaft 9 is to be removed or' inserted, it is necessary for the roller to 'be .held in a position'intermediat'e those positions which it normally occupies when'carrying the load or when relieved from the load. 1

' A-.'plurality of small apertures 20 are formed in the support 4 concentrically of the opening 19 so as to provide shoulders or abutments 21 adjacent to said openings 1.9 which may be forced inwardly, as shown in Fig. 1, so as to distort the openings 19 1 and. prevent removal of the trunnion shaft 9. The shoulders 21 are readily forced'inwardly by driving a drift key intothe open-iings 20.

Althoi-igh but one specific embodiment of i this invention has been herein shown and '.described, it. willbe understood that numerous details of the construction shown may be altered or omitted without departing from the. spirit of this invention as defined by the following claims.

. lam; 1. A side hearing, comprising a support leaving a roller runway formed therein, a, roller mounted in'said runway and adapted [to; have a'liinited'range of travel therein,

trunnions'on said roller, said frame having idesurfaces adapted to support said trunnions when theil'oad is relieved fronr' said" roller, said guide surfaces being formed with a series of shouldersstepped successive'ly' downward from the ends of} said guideways toward themiddle thereof.

2. A side bearing, comprising a support having a roller runway :formed therein, a roller mounted in said runway and adapted to have 'alimited range of travel therein,

trunnions on said roller,-s aid frame having guidesiirfaces adapted. to support said trunn ons whenthe loadis relieved from'said roller, said guide surfaces being formed with fill a' series of shoulders stepped successively lower horizontal guide surfaces adapted to support said trunnions when the load is rclieved from said roller, and shoulders on said'frame located adjacent to the ends of 3 said guide surfaces and spaced. ahovcthc plane thereof, said shoulders beingadapted to engage the trunnions of the roller when said roller is released from the load at the end of its travel and cause said roller to roll by gravity toward amiddle position in said runway. o I I 4. A side bearing, comprising a support having a roller runway formed therein, a

.roller mounted in.said runway andadaptcd to have a limited range of travel therein, trunnions on said roller, said frame having nit-1s \vhenthe load is relieved from said roller, said guide surfaces being formed with substantiallyhorizontal end ledges and cated at respectively difierent'elevations.

\having a roller runway formed therein, roller mounted in said runway and adapted to. have a limited. range pf travel therein, trunnions on said rbller, said frame having guide surfaces adapted. to support saidtriurnions when the "load isrelieved from-said roller, said guide surfaces being formed with a'plurality of ledges located in successively lower positions from the ends to the middle part thereof. i

(i. A side bearing, comprising a support having a roller runway formed therein, a roller mounted in said runway and ads ptcd tn have a limited range of travel therein, trunnions on said roller, said frame having guide.

' 5. A side bearing, comprising a support gu 'l'e surfaces adapted to support said trunwhen the load is relieved from said roller,

said guide surfaces being formed to provide a ledge at each end thereof and 'a substantially horizontal middle part spaced below .the plane of said end ledges.

7. A side bearing, comprising a support having a roller runway formed therein, a roller mounted in said runway and adapted to have a limited range of travel therein, trunnions on said roller, said frame having guide surfaces adapted to support said trunnions when the load is relieved from said roller, said guide surfaces being formed to I -provide a ledge at each end thereof and a substantially horizontal middle part spaced below the plane of said end ledges, and a plurality'of ledges formed at different elevations between said end and middle parts.

8. A side bearing, comprising a support having a roller runway formed therein, a roller mounted in said runway and adapted to have a limited range of travel therein, trunnions on said roller, said frame having guide surfaces adapted to support said trunnions when the load is relieved from said roller, 'said'guide surf-aces being formed with 'a plurality of ledges located in successively lower positions from the ends to the middle,

partthereof, the inner end of each of said ledges being located outward from a vertical plane passing through the axis of said. roller when the respective trunnion is engaged with such ledge.

9,. A side bearing comprising a support having a roller runway and trunnion guideways formed therein, a roller mounted in i said runway and adapted to have'a limited range of travel therein, trunnions on said roller extending into said trunnionguideways, said support having the upper surfaces of said trunnion guideways inclined upwardly and inwardly and having the 7 lower guide surfacesformed in a plurality of ledges located in successively lower positions from the ends of said guide surfaces i to the middle.

range of travel therein, said support hav ing an, opening in one side thereof leading into said trunnion guideways, a trunnion shaft adapted to be passed through said opening and into said roller when said roller is placed in said runway with the axis thereof in alinement with said opening, said frame having an aperture located adjacent to said opening and adapted to have means inserted therein for forcing the metal of said frame between said aperture and opening into said opening so as to prevent said trunnion shaft from being withdrawn from said roller.

11. A side bearing, comprising a support having a-roller runway and trunnion guide- Ways formed therein, a roller mounted in.

said runway and adapted to have a limited range of travel therein, said support having a wear surface adapted to engage the roller for supporting the load, said support also having an opening in one side located with the axis thereof between the positions which the axis of said trunnions would occupy,

when the load is being carried by the roller ary 1914.

ELMYR A. LAUGHLIN. Witnesses:

EUGENE A. RUMMLER, M. IRENE HUTcHINos. 

